First thing in the morning, a man stopped at my door, leaned in, looked me square in the eye, called me “a piece of shit,” and spat on my floor. I tried not to take it personally.

I was in a prison cell and wearing a day-glo-orange inmate’s jumpsuit, sitting on a thin mat, where I had sat and slept intermittently — and uncomfortably — through the preceding seven hours.

Amnesty International brought the cell to Portland’s Monument Square and arranged several days of events about the offshore prison at Guantánamo Bay, Cuba, last week to draw attention to the 270 or so inmates still held there, and to highlight the support of some of Maine’s congressional delegation for suspending the legal rights of inmates there, most of whom have never been charged with any crime.

I’d volunteered to spend the night in the replica cell (which is modeled on the ones at Gitmo, which are very like the standard isolation units used in US “supermax” prisons) because we’ve all heard stories about unlivable conditions at Gitmo but can’t come close to imagining what it must be like to live for as long as seven years in a small box with little contact with the outside world, and even less hope of release. I hoped my few hours of simulated incarceration — even without the alleged abuse visited on Gitmo “detainees” by US service personnel — would help me appreciate the nightmare those prisoners endure.

When I first entered the cell, I sized things up. I could take three normal-size steps from side to side, four from the door to the bed; a “lap” around it involved 12 reasonably normal-sized steps. With my arms outstretched to the sides, I could touch the walls; reaching up, I could touch the ceiling with my stocking feet flat on the floor. Lying on the raised platform that served as my bed, my head touched one wall and my feet pressed against the other. The walls and ceiling were white; the toilet/sink fixture by the door was stainless steel; the floor was gray. There was one small window — easily covered by my forearm — by the bed and another in the door.

I was already in the jumpsuit, so I sat on the thin sleeping mat, got out my iPod, put in the earbuds, selected the “Gitmo” playlist, and turned the volume up. (The guards play a wide selection of American music — though mostly dark heavy stuff like Drowning Pool and Marilyn Manson — at high volume, at all hours, as a form of psychological torture for the prisoners.)

I read from the Koran, opening it at random and finding the 36th sûrah (chapter), entitled “Yâ Sîn,” or “O Man.” According to the annotation in my copy, that chapter is often recited by Muslims at times of adversity, to sustain their faith. At one point in the text, a group of believers approaches a city of non-believers to try to convert them: “(The people of the city) said: we augur ill of you. If ye desist not, we shall surely stone you, and grievous torture will befall you at our hands.” But, Allah explains through the prophet Mohammed, whatever suffering his followers must endure will be relieved if they stick to their faith, while those who did the torturing will be condemned to burn in hell. After a few readings, I found my hope rising and my discomfort decreasing, even though I am not a Muslim.

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